Only 11 grams of pure performance. The R2 Oxygen calf sleeves are a must-have for all athletes looking for high performances and superior comfort. Initially designed to meet the needs of our pro athletes racing in events as extreme as the IRONMAN® World championships in Kona, the R2 Oxygen are highly ventilated, ultra-light and exceptionally comfortable. Wear the R2 Oxygen calf sleeves during intense efforts, whether it is for a trail running race, a triathlon event or a marathon to enhance your performances! Compressport’s R2 Oxygen are incredibly light: you will quickly forget you are wearing them. They are ultra-fast drying and breathable thanks to the ventilation stripes directly woven into the compression. Your calves stay dry, fresh while still being protected from vibrations. Made for the harshest conditions, they will match the most demanding expectations for intense and explosive performances! Their elegant and exclusive design will add a smart touch to your outfit.